---> uname -a: Linux prd-centos8-docker-4c-4g-1109.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1021 10893 19 3847 14392 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:07:c0:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.250/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86126sec preferred_lft 86126sec inet6 fe80::f816:3eff:fe07:c051/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9d:9c:a8:df brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:9dff:fe9c:a8df/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/18/2026 _x86_64_ (4 CPU) 22:07:04 LINUX RESTART (4 CPU) 10:08:01 PM tps rtps wtps bread/s bwrtn/s 10:09:01 PM 280.66 6.50 274.16 1237.85 21204.43 10:10:01 PM 850.20 1.95 848.25 83.57 44515.03 10:11:01 PM 354.65 118.09 236.55 2113.56 7274.99 Average: 495.17 42.18 452.99 1145.00 24331.48 10:08:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:09:01 PM 11010720 13507052 5130812 31.79 2688 2693816 3058232 17.79 257804 4435708 331032 10:10:01 PM 10281428 13723136 5860104 36.30 2688 3453820 1933660 11.25 366144 4645852 132712 10:11:01 PM 10323416 13876728 5818116 36.04 2688 3546176 1999608 11.63 436348 4492528 18692 Average: 10538521 13702305 5603011 34.71 2688 3231271 2330500 13.56 353432 4524696 160812 10:08:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:09:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 10:09:01 PM eth0 517.29 375.22 6124.84 48.66 0.00 0.00 0.00 0.00 10:09:01 PM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 10:09:01 PM veth4b38c9f 0.08 0.30 0.00 0.03 0.00 0.00 0.00 0.00 10:10:01 PM lo 6.33 6.33 4.56 4.56 0.00 0.00 0.00 0.00 10:10:01 PM eth0 192.42 147.83 1804.29 29.64 0.00 0.00 0.00 0.00 10:10:01 PM docker0 3.28 3.07 4.08 0.44 0.00 0.00 0.00 0.00 10:11:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:11:01 PM eth0 6.56 4.63 59.25 1.81 0.00 0.00 0.00 0.00 10:11:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.16 2.16 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 238.76 175.90 2662.79 26.71 0.00 0.00 0.00 0.00 Average: docker0 1.12 1.08 1.36 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/18/2026 _x86_64_ (4 CPU) 22:07:04 LINUX RESTART (4 CPU) 10:08:01 PM CPU %user %nice %system %iowait %steal %idle 10:09:01 PM all 38.24 0.00 3.30 1.43 0.09 56.94 10:09:01 PM 0 42.88 0.00 3.86 1.59 0.10 51.57 10:09:01 PM 1 41.97 0.00 3.96 1.96 0.08 52.03 10:09:01 PM 2 36.13 0.00 2.84 1.63 0.08 59.31 10:09:01 PM 3 31.96 0.00 2.53 0.55 0.10 64.86 10:10:01 PM all 37.32 0.10 9.78 6.22 0.11 46.48 10:10:01 PM 0 37.09 0.07 8.50 2.90 0.10 51.35 10:10:01 PM 1 38.56 0.09 10.49 7.28 0.12 43.46 10:10:01 PM 2 41.86 0.02 10.20 8.20 0.10 39.62 10:10:01 PM 3 31.76 0.22 9.92 6.52 0.10 51.48 10:11:01 PM all 41.43 0.00 2.45 2.49 0.10 53.53 10:11:01 PM 0 27.66 0.00 1.70 0.84 0.10 69.70 10:11:01 PM 1 27.16 0.00 2.14 2.75 0.08 67.87 10:11:01 PM 2 40.85 0.00 2.53 2.93 0.12 53.56 10:11:01 PM 3 70.13 0.00 3.44 3.45 0.08 22.89 Average: all 39.01 0.03 5.16 3.37 0.10 52.34 Average: 0 35.86 0.02 4.67 1.77 0.10 57.57 Average: 1 35.88 0.03 5.51 3.98 0.10 54.51 Average: 2 39.61 0.01 5.17 4.24 0.10 50.87 Average: 3 44.68 0.07 5.27 3.49 0.10 46.39